TY  - RPRT
TI  - Ground-water field trip, Tucson to Nogales, Arizona
AU  - D.R. Coates
AU  - L.C. Halpenny
PY  - 1954
DO  - 10.3133/ofr5452
UR  - https://pubs.usgs.gov/publication/ofr5452
ID  - ofr5452
ER  -